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Introduction / System Features
Congratulations on purchasing the Samson UM1 micro diversity receiver—part of our renowned
UHF Series One Wireless System! Although this product is designed for easy operation, we sug-
gest you first take some time to go through these pages so you can fully understand how we've
implemented a number of unique features.
Every wireless system consists of at least two components—a transmitter and a receiver, both of
which must be tuned to the same channel (that is, the same radio frequency) in order to operate
correctly.* The Samson UM1 system you have purchased operates in the 801 - 805 MHz frequency
range and contains a UM1 micro diversity receiver and one of three Concert 77 transmitters: a
CT7(L) belt-pack transmitter (for lavalier microphone or headset applications); a CT7(G) belt-pack
transmitter (for instrument applications); or a HT7 hand-held microphone transmitter (available in
a wide variety of popular capsules).
The UM1 system is specially designed to enable the production of professional audio tracks to
accompany your video shoot or live broadcast. The use of a handheld mic transmitter or lavalier
microphone connected to a beltpack transmitter effectively isolates the performer from unwant-
ed ambient sounds such as video camera motor noise or room sounds made by the camera
operator or video crew. Because the UM1 receiver is extremely small and lightweight, it can be
attached easily to any video camera using the supplied strip of velcro, and can even be powered
directly by the camera's own 12-volt power supply, if available.
In this manual, you'll find a more detailed description of the features of the UM1 system, as well as
a guided tour through all components, step-by-step instructions for setting up your system, wir-
ing diagrams and tables, and full specifications. If your UM1 system was purchased in the United
States, you'll also find a warranty card enclosed—don't forget to fill it out and mail it! This will
enable you to receive online technical support and will allow us to send you updated information
about this and other Samson products in the future. If your UM1 system was purchased outside of
the U. S., contact your local distributor for warranty details.
SPECIAL NOTE for U.S. purchasers: Should your UM1 system ever require servicing, a Return
Authorization number (RA) is necessary. Without this number, the unit will not be accepted. If
your UM1 system was purchased in the United States, please call Samson at 1-800-372-6766 for a
Return Authorization number prior to shipping your unit. If possible, return the unit in its original
carton and packing materials. If your UM1 system was purchased outside of the U. S., contact your
local distributor for servicing information.
* Your receiver and transmitter have been factory preset to utilize the same channel. A listing of the six
available channels and their corresponding UHF frequencies can be found on page 4 of this manual.
System Features
Designed for use in both live sound and sound contracting applications, the Samson UM1 system
provides a high performance, cost effective solution, utilizing state-of-the-art technology in wire-
less communications. Main features include:
• Six different available channels, all operating in the less crowded UHF bandwidth, and all
designed for simultaneous use. This means that you can use multiple UM1 systems (each tuned
to a different channel) in the same location without interference.
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